Tenor trombone. Nominal pitch: B♭.
Technical description: Silver-plated brass; plated inner slides. Screw tuning at top of main slide; no tuning-slide in bell section. Repair History: Patched where upper slide stay worn through and outer slide worn through in one place; new ligature screw supplied, J. & R. Glen, 24.1.75 - 12.2.75.